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add groupBy

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Wroclaw 2023-05-11 11:09:28 +02:00
parent 775cc2e1db
commit 7a9e451739
1 changed files with 18 additions and 7 deletions
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25
server/utils/baaPagination.ts
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@ -22,6 +22,11 @@ export default class BaaPagination<T extends {[k: string]: any}, keyType extends
readonly table: string; readonly table: string;
readonly key: keyType; readonly key: keyType;
readonly select: string; readonly select: string;
readonly groupBy: string;
private get sqlGroupBy() {
return this.groupBy !== "" ? `GROUP BY ${this.groupBy}` : "";
}
/** /**
* Gets queryType for a given query with a value * Gets queryType for a given query with a value
@ -71,14 +76,14 @@ export default class BaaPagination<T extends {[k: string]: any}, keyType extends
switch (queryType.type) { switch (queryType.type) {
case "before": { case "before": {
const [data] = await database.query( const [data] = await database.query(
`SELECT ${this.select}, CONVERT(\`${this.key}\`, CHAR) AS \`${this.key}\` FROM \`${this.table}\` WHERE \`${this.key}\` < ? ${sqlwhere} ORDER BY \`${this.key}\` DESC LIMIT ?`, `SELECT ${this.select}, CONVERT(\`${this.key}\`, CHAR) AS \`${this.key}\` FROM \`${this.table}\` WHERE \`${this.key}\` < ? ${sqlwhere} ORDER BY \`${this.key}\` DESC ${this.sqlGroupBy} LIMIT ?`,
[queryType.id, ...bind, limit], [queryType.id, ...bind, limit],
) as unknown as data<T>; ) as unknown as data<T>;
return data; return data;
} }
case "after": { case "after": {
const [data] = await database.query( const [data] = await database.query(
`SELECT ${this.select}, CONVERT(\`${this.key}\`, CHAR) AS \`${this.key}\` FROM \`${this.table}\` WHERE \`${this.key}\` > ? ${sqlwhere} ORDER BY \`${this.key}\` DESC LIMIT ?`, `SELECT ${this.select}, CONVERT(\`${this.key}\`, CHAR) AS \`${this.key}\` FROM \`${this.table}\` WHERE \`${this.key}\` > ? ${sqlwhere} ORDER BY \`${this.key}\` DESC ${this.sqlGroupBy} LIMIT ?`,
[queryType.id, ...bind, limit], [queryType.id, ...bind, limit],
) as unknown as data<T>; ) as unknown as data<T>;
return data; return data;
@ -86,9 +91,9 @@ export default class BaaPagination<T extends {[k: string]: any}, keyType extends
case "around": { case "around": {
const [data] = await database.query( const [data] = await database.query(
` SELECT ${this.select}, CONVERT(\`${this.key}\`, CHAR) AS \`${this.key}\` FROM (\n` + ` SELECT ${this.select}, CONVERT(\`${this.key}\`, CHAR) AS \`${this.key}\` FROM (\n` +
`(SELECT * FROM \`${this.table}\` WHERE \`${this.key}\` >= ? ${sqlwhere} ORDER BY \`${this.key}\` ASC LIMIT ?)\n` + `(SELECT * FROM \`${this.table}\` WHERE \`${this.key}\` >= ? ${sqlwhere} ORDER BY \`${this.key}\` ${this.sqlGroupBy} ASC LIMIT ?)\n` +
"UNION ALL\n" + "UNION ALL\n" +
`(SELECT ${this.select} FROM \`${this.table}\` WHERE \`${this.key}\` < ? ${sqlwhere} ORDER BY \`${this.key}\` DESC LIMIT ?)\n` + `(SELECT ${this.select} FROM \`${this.table}\` WHERE \`${this.key}\` < ? ${sqlwhere} ORDER BY \`${this.key}\` DESC ${this.sqlGroupBy} LIMIT ?)\n` +
`) as \`x\` ORDER BY \`${this.key}\` DESC`, `) as \`x\` ORDER BY \`${this.key}\` DESC`,
[queryType.id, ...bind, Math.ceil(limit / 2), queryType.id, ...bind, Math.floor(limit / 2)], [queryType.id, ...bind, Math.ceil(limit / 2), queryType.id, ...bind, Math.floor(limit / 2)],
) as unknown as data<T>; ) as unknown as data<T>;
@ -96,7 +101,7 @@ export default class BaaPagination<T extends {[k: string]: any}, keyType extends
} }
case null: { case null: {
const [data] = await database.query( const [data] = await database.query(
`SELECT ${this.select}, CONVERT(\`${this.key}\`, CHAR) AS \`${this.key}\` FROM \`${this.table}\` WHERE TRUE ${sqlwhere} ORDER BY \`${this.key}\` DESC LIMIT ?`, `SELECT ${this.select}, CONVERT(\`${this.key}\`, CHAR) AS \`${this.key}\` FROM \`${this.table}\` WHERE TRUE ${sqlwhere} ORDER BY \`${this.key}\` DESC ${this.sqlGroupBy} LIMIT ?`,
[...bind, limit], [...bind, limit],
) as unknown as data<T>; ) as unknown as data<T>;
return data; return data;
@ -234,7 +239,7 @@ export default class BaaPagination<T extends {[k: string]: any}, keyType extends
) { ) {
const sqlwhere = where !== "" ? `WHERE ${where}` : ""; const sqlwhere = where !== "" ? `WHERE ${where}` : "";
const [[data]] = await database.query( const [[data]] = await database.query(
`SELECT COUNT(*) as \`count\` FROM \`${this.table}\` ${sqlwhere}`, `SELECT COUNT(*) as \`count\` FROM \`${this.table}\` ${sqlwhere} ${this.sqlGroupBy}`,
bind, bind,
) as data<{count: number}>; ) as data<{count: number}>;
@ -242,9 +247,15 @@ export default class BaaPagination<T extends {[k: string]: any}, keyType extends
return data; return data;
} }
constructor(table: string, key: keyType, select = "*") { constructor(
table: string,
key: keyType,
select = "*",
groupBy = "",
) {
this.table = table; this.table = table;
this.key = key; this.key = key;
this.select = select; this.select = select;
this.groupBy = groupBy;
} }
} }